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decarbonization during steelmaking
met.
炼钢脱碳
(【技】炼钢时钢水中的碳与氧化合生成 CO 而被脱除的物理化学过程。钢中的含碳量通常在1%以下,而生铁的含碳量通常为 3. 5% ~4.5%。因此,在炼钢的过程中必须进行脱碳。脱碳不仅是为了降低含碳量,脱碳反应生成的 CO 气泡,在析出时强烈地搅拌熔池,使钢中气体和钢中非金属夹杂物随上浮的气泡去除掉、使钢水成分和温度均匀化、增加气-渣-钢之间的接触面积、加快反应速率、缩短冶炼时间、提高生产效率。)
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